CafLog vs Caffeine mg

CafLog is an easy-to-use app for tracking and managing your caffeine intake. ■ Log caffeine in seconds Quickly log coffee, energy drinks, tea, chocolate, and more with a single tap from 18 preset options. Add custom drinks and favorites for even faster tracking. ■ Real-time caffeine tracking Using a half-life-based model, CafLog calculates your current caffeine level in real time. Visualize how caffeine is absorbed and metabolized throughout your body. ■ Check sleep impact Set your bedtime to estimate your caffeine level at night. Get clear insights with simple indicators: Safe, Caution, or Risk. ■ Stay motivated with achievements Unlock 21 unique achievements as you keep tracking. Progress through different rarity levels and enjoy changing themes as rewards. ■ Powerful analytics Explore your habits with 13 types of insights, including metabolism charts, time-of-day analysis, and drink rankings. ■ Widget support Check your caffeine intake and sleep impact right from your Home Screen or Lock Screen. Jump to logging with a single tap. ■ Pro Plan Unlock unlimited logging, full history access, all analytics features, HealthKit integration, iCloud sync, and more for advanced caffeine management. 【Key Features】 ・18 preset drinks + custom drink creation ・Real-time caffeine tracking (half-life model) ・Sleep impact analysis based on bedtime (Safe / Caution / Risk) ・21 achievement system (5 rarity levels) ・7 home themes unlocked through achievements ・13 analytics widgets ・Calendar view (color-coded + notes) ・Home Screen / Lock Screen widgets 【Pro Features】 ・Unlimited logging ・Full history access ・All analytics unlocked ・HealthKit integration ・iCloud sync ・6 premium themes Terms of Use (EULA): https://yuto1201.github.io/caflog-privacy/terms.html Privacy Policy: https://yuto1201.github.io/caflog-privacy/privacy-policy.html

Caffeine mg is a one-tap caffeine tracker that visualises remaining body caffeine and the time it drops below a sleep-friendly threshold using a half-life decay model. "Can I have one more coffee this afternoon and still sleep tonight?" — that's the question this app answers. ■ Who it's for - Daily coffee or energy drink consumers - People whose afternoon caffeine affects sleep - Users who prefer no ads and one-time purchases - Login-free tracking with caffeine records stored on device ■ Main features - 50+ preset drinks (coffee, energy drinks, tea, etc.) - Custom drinks with caffeine content and serving size - Tap to log "now", long press to set the time - Today's total intake and remaining allowance (400mg default) - Half-life decay simulation - Home screen widget for one-tap logging - Siri / Shortcuts support - Last 7 days of history ■ iOS 18 features (Pro) - Live Activity + Dynamic Island for body caffeine + sleep-friendly time - Lock Screen Control + Control Center for one-tap logging - Action Button on iPhone 15 Pro and later - Half-life simulation chart ■ Pro (one-time, JPY 370) - Unlimited custom drinks - Live Activity / Dynamic Island - Lock Screen Control - Action Button integration - Full history + CSV export - Medium / Large widgets ■ Why we made it - Free to start (50+ presets + 3 custom drinks) - No login, no account - Caffeine records stay on device; anonymous usage events are optional - No subscription. Pro is one-time only. - Zero ads. ■ Science - Daily upper limit 400 mg (WHO / FDA / EFSA / Health Canada / Japan MHLW Sleep Guidelines 2023 consensus) - 50 mg "sleep-friendly residual" threshold per Japan MHLW Sleep Guidelines 2023 - Default half-life is 5 hours (individual range 3-7 hours) - All thresholds adjustable in Settings ■ Requirements - iOS 18.0 or later (for Live Activity / Lock Screen Control / Action Button) This app is intended as a caffeine intake tracker. It does not provide medical advice, diagnosis, drug-interaction checks, or individualised guidance for pregnant users, users with cardiac conditions, etc. Please consult a doctor or pharmacist for health decisions.